/// <summary>
/// 获取字符串排版时截断到下一行的位置
/// </summary>
/// <param name="aText"></param>
/// <param name="aBreakRough">是否粗暴截断</param>
/// <param name="aPos">在第X个后面断开 X > 0</param>
private void FindLineBreak(string aText, bool aBreakRough, int aStartPos, ref int aPos)
{
GetHeadTailBreak(aText, ref aPos); // 根据行首、尾的约束条件找APos不符合时应该在哪一个位置并重新赋值给APos
if (aPos < 1)
{
return;
}
if (aBreakRough)
{
return;
}
CharType vPosCharType = HC.GetUnicodeCharType((ushort)(aText[aPos - 1])); // 当前类型
CharType vNextCharType = HC.GetUnicodeCharType((ushort)(aText[aPos + 1 - 1])); // 下一个字符类型
if (MatchBreak(vPosCharType, vNextCharType, aText, aPos + 1) != BreakPosition.jbpPrev) // 不能在当前截断，当前往前找截断
{
if (vPosCharType != CharType.jctBreak)
{
bool vFindBreak = false;
CharType vPrevCharType;
for (int i = aPos - 1; i >= aStartPos; i--)
{
vPrevCharType = HC.GetUnicodeCharType((ushort)(aText[i - 1]));
if (MatchBreak(vPrevCharType, vPosCharType, aText, i + 1) == BreakPosition.jbpPrev)
{
aPos = i;
vFindBreak = true;
break;
}
vPosCharType = vPrevCharType;
}
if (!vFindBreak) // 没找到
{
aPos = 0;
}
}
}
}
